<form action="" method="post" enctype="multipart/form-data">
    <input type="hidden" name="_token" value="<?php echo csrf_token();?>">
    标题：<input type="text" name="title" value="<?php echo $row->title ;?>"><br>
    内容：<textarea name="content"><?php echo $row->content ;?></textarea><br>
    图片：<input type="file" name="img"><img src="{{URL::asset(''.$row->img.'')}}" height="50" width="50">
    <input type="submit" value="提交">
</form>